Rural Federal University of Semi - Arid , Brazil

Abstract

We would like to thank our family for the support they provided us and, in particular, we must acknowledge Luana (Milton’s wife) and Yaskara (Pedro’s wife) and our children João Pedro, Maria Eduarda and João Guilherme (Milton’s children) and Yasmin, Yngrid and Pedro Filho (Pedro’s children). We would like to thank too our parents Benedito and Maria Jos… (More)